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Varjo Foveated Display Part 2 – Region Sizes

Introduction As discussed in Part 1, the basic concept of foveated display in theory should work to provide high angular resolution with a wide FOV. There is no single display technology today for near-to-eye displays. Microdisplays (LCOS, DLP, and OLED)…

  • Karl Guttag
  • July 10, 2017
  • 7 Comments
  • Augmented Reality and HMD, Pico Projection, Technology History, Use Model

Near Eye Displays (NEDs): Gaps In Pixel Sizes

I get a lot of questions to the effect of “what is the best technology for a near eye display (NED).” There really is no “best” as every technology has its strengths and weaknesses. I plan to right a few…

  • Karl Guttag
  • June 7, 2017
  • Augmented Reality and HMD, Startups, Use Model

Avegant “Light Field” Display – Magic Leap at 1/100th the Investment?

Surprised at CES 2017 – Avegant Focus Planes (“Light Field”) While at CES 2017 I was invited to Avegant’s Suite and was expecting to see a new and improved and/or a lower cost version of the Avegant Glyph. The Glyph …

  • Karl Guttag
  • March 9, 2017
  • 38 Comments
  • Augmented Reality and HMD, Use Model

Near-Eye Bird Bath Optics Pros and Cons – And IMMY’s Different Approach

Why Birdbaths Optics? Because the Alternative (Waveguides) Must Be Worse (and a teaser) The idea for this article started when I was looking at the ODG R-9 optical design with OLED microdisplays. They combined an OLED microdisplay that is not…

  • Karl Guttag
  • March 3, 2017
  • 61 Comments
  • Augmented Reality and HMD, Pico Projection

AR/MR Optics for Combining Light for a See-Through Display (Part 1)

In general, people find the combining of an image with the real world somewhat magical; we see this with heads up displays (HUDs) as well as Augmented/Mixed Reality (AR/MR) headsets.   Unlike Starwars R2D2 projection into thin air which was…

  • Karl Guttag
  • October 21, 2016
  • 30 Comments
  • Augmented Reality and HMD

HMD – A huge number of options

There have been a number of comments on this blog that I am very negative about Head Mounted Displays (HMDs), but I believe I am being realistic about the issues with HMDs.   I’m an engineer by training and profession and…

  • Karl Guttag
  • March 6, 2015
  • 14 Comments
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